New Industrial Dual Flow Unit Coolers by Thermokey

1. New Industrial
Dual Flow Unit Coolers

3. 01
Heat Exchange Solutions ThermoKey
One single smart platform
offering a wide range of solutions

4. Airflow Direction
02
Heat Exchange SolutionsThermoKey
Applications
OPERATION TYPES AND PERFORMANCES
§§ DFX evaporator for standard refrigerants (range from 7 kW to 105 kW) in standard condition:
R404A, Te= -8° C, T1= 0°C, RH= 85%
§§ DFB standard Brine Unit Coolers (range from 10 kW to 130 kW) in standard condition:
GE 30%, Ti= -10° C, T1= 0°C, RH= 85%
§§ DFN Ammonia Unit Cooler (range from 10 kW to 175 kW) in standard condition:
R404A, Te= -8° C, Tr= 0°C, RH= 85% , 4 ricircoli
§§ DFC carbon dioxide evaporators (range from 6 kW to 108 kW) in standard condition:
R404A, Te= -8° C, Tr= 0°C, RH= 85%
Thanks to a considerable air flow and an optimal air distribution, the new Dual Flow Units have been designed in order to
be installed in industrial refrigeration of food market, in medium and large cold rooms or refrigerated warehouses, for the
preservation of fresh and frozen products and for the air conditioning of medium and large processing rooms.
All units are equipped with high efficiency fan motors.
The dual flow design allows the best air distribution also in limited height rooms and gives a good choice when air ducts can't
be used or are not planned.

5. 03
Heat Exchange Solutions ThermoKey
MODEL DIMENSIONS
§§ Models with 500 mm fan diameter, from 1 to 4 fan motors,
finned pack module 1000 mm, 8 tubes and 4-6-8 rows heat exchanger.
§§ Models with 560 mm fan diameter, from 1 to 4 fan motors,
finned pack module 1000 mm, 12 tubes and 4-6-8 rows heat exchanger.
§§ Models with 630 mm fan diameter, from 1 to 4 fan motors for the evaporators, up to 5 fan motors for
brine coolers, finned pack module 1200 mm, 12 tubes and 4-6-8 rows heat exchanger.
More than 800 models Dual Flow
Unit Coolers can be selected
ThermoKey's Archimede software
guides you in selecting the most
suitable air heat exchangers and
automatically elaborates
a technical data sheet.
ARCHIMEDE SOFTWARE

6. 04
Heat Exchange SolutionsThermoKey
Product features
FINNED PACK
§§ Standard finned pack made of aluminium fins and copper or stainless steel tubes.
- groveed copper tubes for DFX models
- smooth cooper tubes for DFB models
- smooth stainless steel tubes for DFN models
- smooth copper tubes for DFC models
§§ Aluminium endplates to avoid copper tubes damage.
§§ Standard fin spacing: 4,5 mm for high temperature applications, 7 mm and 10 mm for low temperature applications.
FANS
§§ Blow through high efficiency fan motors, ErP2015 compliant, Ziehl-Abegg or EBM brand, IP54 grade
§§ Fan motor full bell mouth, ErP2015 compliant, design made of galvanized steel, epoxy-polyester powder coated RAL 9010,
environmental resitance class C3
§§ Standard dual speed fan motors 4+4 poles, supply 400V/3/50Hz
§§ Delta connection for high speed, star connection for low speed
STRUCTURAL CHARACTERISTIC
§§ All panels are made of AlMg3 magnesium aluminium alloy (Peraluman 5754) to ensure the maximun combination of lightness,
mechanical strength and corrosion resistance.
§§ External panels are 80 micron RAL 9010 powder coated for a best easy cleaning and hygienic maintenance.
§§ Ceiling fixing brackets are made of stainless steel AISI 304 ensuring more structural safety over time.
§§ Stainless steel bolts A2-70
§§ Stainless steel structural rivets

7. A
30012021200120012001202300
1896
6004
66
6691
6625
804
767
6004300 300
1202 FIXING 1200 FIXING 1200 FIXING 1200 FIXING 1202 FIXING
6613
(1:15)ADETTAGLIO
1960
32
70
18x30
50
887
1896 FIXING
470
1808
FIXING POINT
DETAIL
05
Heat Exchange Solutions ThermoKey
MODELS WITH 630 MM FAN DIAMETER
§§ from 1 to 4 fans
§§ up to 5 fans for Brine Unit Coolers
§§ finned pack module 1200 mm
§§ 12 tubes and 4-6-8 rows heat exchanger
Fan motor casing dimensions
5X630 FAN MOTOR CASING DIMENSIONS

8. A
3001002100010001002300
4004
58 4626
4684
1896776
748
4004300 300
1002 FIXING 1000 FIXING 1000 FIXING 1002 FIXING
4612
(1:10)ADETTAGLIO1960
32
70
18x30
1896 FIXING
470
1808
50
863
FIXING POINT
DETAIL
06
Heat Exchange SolutionsThermoKey
4X560 FAN MOTOR CASING DIMENSIONS
MODELS WITH 560 MM FAN DIAMETER
§§ from 1 to 4 fans
§§ finned pack module 1000 mm
§§ 12 tubes and 4-6-8 rows heat exchanger

9. A
25020022002250
4004
58 4525
4583
1746
547
4004250 250
577
4511
2002 FIXING2002 FIXING
(1:10)ADETTAGLIO
1810
32
70
18x30
449
1656
50
662
1746 FIXING
FIXING POINT
DETAIL
07
Heat Exchange Solutions ThermoKey
4X500 FAN MOTOR CASING DIMENSIONS
MODELS WITH 500 MM FAN DIAMETER
§§ from 1 to 4 fans
§§ finned pack module 1000 mm
§§ 8 tubes and 4-6-8 rows heat exchanger

10. 08
Heat Exchange SolutionsThermoKey
HINGED PANEL
Structural features
PAINTED ALUMINIUM ALMG3
ALLOY CASING
ALUMINIUM ALMG3 ALLOY ENDPLATES
BRACKETS OF INTERNAL DRIP TRAY
HEATERS
(HIGH CONTACT SURFACE BRACKETS
FOR HIGH EFFICIENCY DEFROSTING)

11. 09
Heat Exchange Solutions ThermoKey
EXTERNAL HINGED DRIP TRAY DUAL INTERNAL DRIP TRAY
ENDPLATE WITH WINDOWS FOR
PLENUM INSPECTION
HEATER WITH SCREW
FIXING PLATE TO
AVOID HEATER
MIGRATION
ALUMINIUM DRAIN CONNECTIONS:
- SLOPE WELDED
- 2" GAS INTERNALLY THREADED
(INTERNALLY) DISTRIBUTOR FIXED ON
ENDPLATE (ONLY FOR DX MODE)
STAINLESS STEEL FIXING BRACKETS

12. 10
Heat Exchange SolutionsThermoKey
Codification
Available options
§§ Defrosting systems
- Standard electric defrost
- HOT GAS defrost
- Mixed HOT GAS and electric defrost
- Internal drip tray electric defrost
- Fan motor full bell mouth defrost
§§ EC fan motors
§§ Aluminium prepainted heat exchanger fins
§§ Electric coated heat exchanger
§§ Double coated heat exchanger
§§ Double Insulated external drip tray
§§ Upward connected heat exchanger
§§ External drip tray to prevent drop projections for
high umidity enviroments
§§ Flexible drain heater
§§ Fan motor full bell mouth heater
§§ Upward connection Kit
50=500mm, 56=560mm, 63=630mm
45= 4.5 mm, 70=7 mm, 10=10 mm
04, 06, 08
1, 2, 3, 4, 5
• NUMBER OF FAN
• FAN DIAMETERS
*
DFX 63
**
5
*
70 S
*
8 (Y)
• FIN SPACING
• ROW NUMBER
• FAN MOTOR CONNECTION
DFC CO2 carbon dioxide unit cooler
DFX DIRECT EXPANSION unit cooler for standard refrigerants
DFN AMMONIA ammonia unit cooler
DFB BRINE standard brine unit cooler
• CONFIGURATION
(D) Delta
(Y) Star
• S+4 NUMBERS - COMBINATION OF STANDARD OR SPECIAL OPTIONS
* Features always present in the codification

13. 11
Heat Exchange Solutions ThermoKey
Prepainted fins
Cataphoresis coil painting
Double layer painting
Copper fins
Stainless steel fins
Stainless steel tubes
Stainless steel coil
Specific fin space
Optimised coil circuits (evaporators/condensers)
Water coil circuits
Flooded coil circuits
Pump circuits
Specific geometry
Fin thickness
Right outlet headers (standard left)
Top outlet headers
Inverted fluid direction model
Coil with heating rows
Top fan motor intake
Openable fan panel
Double - insulated drip tray
Stainless steel drip tray
Stainless steel casing
Neutral model
Single-phase motors (Standard three-phase)
6 Poles motors (Standard 4 POLES)
60Hz motors (Standard 50Hz)
230/3/60Hz motors
UL/CSA fan motors
Electronic commutated fan motors
Standard electric defrost (Coil / internal drip tray)
Reduced electric defrost (Coil / internal drip tray)
Standard hot gas defrost (Coil / serpentine under internal drip tray)
Mixed hot gas defrost (Coil / electric under internal drip tray)
Electric internal drip tray defrost only
Full bell mouth fan motor electric defrost
Warm glycol defrost (Tubes in coil / serpentine under internal drip tray)
Warm glycol defrost (Tubes in coil / electric under internal drip tray)
Drain flexible heater
Deflectors
PV
CTF
D
C
SSF
SST
SSC
FS x x
C x x x
W x x x
N x x
P x x
G x x x x
SP x x
CD
CT
FI
DU
TF
MA
ID
SSD
SSF
AN
M
6P
60Hz
T3
UL
EC
E
ER
H
G
ES
EB
WW
WE
R
DEF
DFX DFB DFN DFC
Options and accessory chart
Standard option
Special option

14. 12
Heat Exchange SolutionsThermoKey

16. 14
Heat Exchange SolutionsThermoKey
Packaging
§§ Wooden crate suitable for easy installation
§§ High temperature treated wood
Package disassembly sequence
MOVE TO INSTALLATION SITE REMOVE COVER
REMOVE SIDE PANELS
PACKAGING DETAILS
READY FOR INSTALLATION

17. 15
Heat Exchange Solutions ThermoKey
Model positioning
LIFT, POSITION AND FIX THE UNIT COOLER

18. 16
Heat Exchange SolutionsThermoKey
Direction
Acrobatik
—
Printed in Italy by
Grafiche Filacorda
—
DF0116EN

20. ThermoKey Spa
via dell’Industria, 1 - 33061
Rivarotta di Rivignano Teor (UD) - Italy
T. +39 0432 772300
F. +39 0432 779734
info@thermokey.com
www.thermokey.com